我已经用许多其他类创建了这个应用程序，它似乎运行正常。但是，当我完成测验时，我无法添加按钮来重新启动测验？我试过Jbutton和Jframe，但我不知道怎么做？是否有一个简单的代码要添加？
包装样品;
import javafx.concurrent.Task;
import javafx.concurrent.WorkerStateEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import javafx.event.ActionEvent;
import javafx.stage.Stage;
import javax.xml.bind.JAXBException;
public class Controller implements Initializable{
static int count = 1;
static int score=0;
static int multiplayerCounter = 1;
static int scoreOfComputer = 0;
static int scoreOfHuman = 0;
static String level;
static XmlToObject ob = new XmlToObject();
static List<String[]> questionsList = ob.readQuestionsAndAnswers("easy");
static boolean isCheatSet;
static boolean isSkipSet;
static String username;
public static String getLevel() {
return level;
}
public static void setLevel(String level) {
Controller.level = level;
}
@FXML
public RadioButton rdEasy;
@FXML
public RadioButton rdHard;
@FXML
public TextField txtAnswer;
@FXML
private Label lblMessage;
@FXML
private TextField txtUsername;
@FXML
private PasswordField txtPassword;
@FXML
private ListView lstHistoryScore;
@FXML
private Button btnNext;
@FXML
private Button btnCheat;
@FXML
private Button btnSkip;
@FXML
private Button btnStart;
@FXML
private Label headerCaption;
@FXML
private Label quizCaption;
@FXML
public Label question;
@FXML
public RadioButton optionOne;
@FXML
public RadioButton optionTwo;
@FXML
public Button btnPass;
@FXML
public RadioButton rdSinglePlayer;
@FXML
public ToggleGroup answerGroup;
@Override
public void initialize(URL location, ResourceBundle resources) {
}
@FXML
private void btnLoginAction(ActionEvent actionEvent) throws IOException {
List<String[]> loginList = ob.readUserLogins();
for(String[] s:loginList ){
if(txtUsername.getText().equals(s[0]) && txtPassword.getText().equals(s[1])){
lblMessage.setText("Success");
((Node) (actionEvent.getSource() )).getScene().getWindow().hide();
Parent parent = FXMLLoader.load(getClass().getResource("/sample/Start.fxml"));
username = txtUsername.getText();
Stage stage = new Stage();
Scene scene = new Scene(parent);
stage.setScene(scene);
stage.show();
}else{
lblMessage.setText("Invalid username or password");
}
}
}
public void btnNextAction(ActionEvent actionEvent) throws IOException, JAXBException {
Stage stage = (Stage) ((Node)actionEvent.getSource()).getScene().getWindow();
int index = count - 1;
String[] criteria = questionsList.get(index);
if(getLevel().equals("hard")){
if (criteria[2].toLowerCase().equals(txtAnswer.getText().toLowerCase()) && !isCheatSet && !isSkipSet) {
score++;
}
if(count == 10) {
quizCaption.setText("Over");
question.setText("Your Score: " + score);
txtAnswer.setVisible(false);
btnNext.setVisible(false);
btnCheat.setVisible(false);
btnSkip.setVisible(false);
lstHistoryScore.setVisible(true);
lstHistoryScore.setItems(new XmlToObject().readXml());
ObjectToXML obx = new ObjectToXML();
obx.saveToXml(score);
}else {
txtAnswer.setText("");
String[] cr = questionsList.get(count);
quizCaption.setText("Quiz " + (count + 1));
question.setText(cr[1]);
isCheatSet = false;
isSkipSet = false;
count++;
}
}else {
RadioButton selectedRadio = (RadioButton) answerGroup.getSelectedToggle();
optionOne.setSelected(false);
optionTwo.setSelected(false);
if(!isSkipSet) {
if (getAnswer(criteria[4], selectedRadio.getText()) && !isCheatSet) {
score++;
}
}
if(count == 10) {
quizCaption.setText("Over");
question.setText("Your Score: " + score);
optionOne.setVisible(false);
optionTwo.setVisible(false);
btnNext.setVisible(false);
btnCheat.setVisible(false);
btnSkip.setVisible(false);
lstHistoryScore.setVisible(true);
lstHistoryScore.setItems(new XmlToObject().readXml());
ObjectToXML obx = new ObjectToXML();
obx.saveToXml(score);
}else {
String[] cr = questionsList.get(count);
quizCaption.setText("Quiz " + (count + 1));
question.setText(cr[1]);
optionOne.setText(cr[2]);
optionTwo.setText(cr[3]);
isCheatSet = false;
isSkipSet = false;
count++;
}
}
}
public void btnCheatAction(ActionEvent actionEvent) throws IOException, JAXBException {
isCheatSet = true;
int index = count -1;
if(getLevel().equals("hard")){
txtAnswer.setText(getCheatAnswerForHardLevel(index));
}else {
if(getCheatAnswer(index) == 1){
optionOne.setSelected(true);
}else {
optionTwo.setSelected(true);
}
}
Task<Void> sleeper = new Task<Void>() {
@Override
protected Void call() throws Exception {
try {
Thread.sleep(300);
} catch (InterruptedException e) {
}
return null;
}
};
sleeper.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
@Override
public void handle(WorkerStateEvent event) {
try {
btnNextAction(actionEvent);
} catch (IOException e) {
e.printStackTrace();
} catch (JAXBException e) {
e.printStackTrace();
}
}
});
new Thread(sleeper).start();
}
public void btnSkipAction(ActionEvent actionEvent) throws IOException, JAXBException {
isSkipSet = true;
btnNextAction(actionEvent);
}
public void setName(String name) {
quizCaption.setText(name);
}
public void btnStartAction(ActionEvent actionEvent) throws IOException, JAXBException {
if(rdSinglePlayer.isSelected()){
((Node) (actionEvent.getSource())).getScene().getWindow().hide();
if(rdHard.isSelected()) {
final FXMLLoader loader = new FXMLLoader(getClass().getResource("/sample/SinglePlayerHardLevel.fxml"));
questionsList = ob.readQuestionsAndAnswers("hard");
String[] criteria = questionsList.get(0);
setLevel("hard");
loader.getNamespace().put("caption", ("Quiz"+ criteria[0]) );
loader.getNamespace().put("quiz", criteria[1]);
Parent root = loader.load();
Stage stage = new Stage();
Scene scene = new Scene(root);
stage.setScene(scene);
stage.show();
}else {
final FXMLLoader loader = new FXMLLoader(getClass().getResource("/sample/SinglePlayerEasyLevel.fxml"));
String[] criteria = questionsList.get(0);
loader.getNamespace().put("caption", ("Quiz" + criteria[0]));
loader.getNamespace().put("quiz", criteria[1]);
loader.getNamespace().put("one", criteria[2]);
loader.getNamespace().put("two", criteria[3]);
Parent root = loader.load();
setLevel("easy");
Stage stage = new Stage();
Scene scene = new Scene(root);
stage.setScene(scene);
stage.show();
}
}else{
((Node) (actionEvent.getSource())).getScene().getWindow().hide();
final FXMLLoader loader = new FXMLLoader(getClass().getResource("/sample/Multiplayer.fxml"));
String[] criteria = questionsList.get(0);
loader.getNamespace().put("player", "Human");
loader.getNamespace().put("caption", ("Quiz" + criteria[0]));
loader.getNamespace().put("quiz", criteria[1]);
loader.getNamespace().put("one", criteria[2]);
loader.getNamespace().put("two", criteria[3]);
Parent root = loader.load();
Stage stage = new Stage();
Scene scene = new Scene(root);
stage.setScene(scene);
stage.show();
}
}
public void btnPassAction(ActionEvent actionEvent) {
RadioButton selectedRadio = (RadioButton) answerGroup.getSelectedToggle();
optionOne.setSelected(false);
optionTwo.setSelected(false);
int index = multiplayerCounter - 1;
if (multiplayerCounter == 10) {
question.setText("Computer score: " + scoreOfComputer);
quizCaption.setText("Your Score: " + scoreOfHuman);
optionOne.setVisible(false);
optionTwo.setVisible(false);
btnPass.setVisible(false);
}else {
String[] criteria = questionsList.get(index);
if (multiplayerCounter % 2 == 0) {
headerCaption.setText("Human");
optionOne.setDisable(false);
optionTwo.setDisable(false);
if (getAnswer(criteria[4], selectedRadio.getText())) {
scoreOfComputer++;
}
} else {
headerCaption.setText("Computer");
int ans = findRandomAnswer(Math.random());
if (ans == 1) {
optionOne.setSelected(true);
optionTwo.setDisable(true);
} else {
optionTwo.setSelected(true);
optionOne.setDisable(true);
}
if (getAnswer(criteria[4], selectedRadio.getText())) {
scoreOfHuman++;
}
}
String[] cr = questionsList.get(multiplayerCounter);
quizCaption.setText("Quiz " + cr[0]);
question.setText(cr[1]);
optionOne.setText(cr[2]);
optionTwo.setText(cr[3]);
multiplayerCounter++;
}
}
public boolean getAnswer(String answer, String quizOption){
if(answer.equals(quizOption)){
return true;
}else{
return false;
}
}
public int findRandomAnswer(double rand){
if(rand <= 0.7){
return 1;
}else{
return 2;
}
}
public int getCheatAnswer(int quizNumber){
String[] criteria = questionsList.get(quizNumber);
if(criteria[4].equals(criteria[2])){
return 1;
}else{
return 2;
}
}
public String getCheatAnswerForHardLevel(int quizNumber){
String[] criteria = questionsList.get(quizNumber);
return criteria[2];
}
public void rdSelectSinglePlayer(ActionEvent actionEvent) {
rdEasy.setVisible(true);
rdHard.setVisible(true);
btnStart.setDisable(false);
}
public void rdSelectMultiPlayer(ActionEvent actionEvent) {
rdEasy.setVisible(false);
rdHard.setVisible(false);
btnStart.setDisable(false);
}
}